leucosin

例句：

1. 1. The new paint job has a beautiful luminous effect on the room.
   新油漆工作给房间带来了美丽的发光效果。
2. 2. Luminescent materials emit light when they are exposed to sunlight.
   荧光材料在暴露于阳光下时会发光。
3. 3.The scientist discovered that some bacteria produce luminescent compounds.
   科学家发现一些细菌能产生发光化合物。